JP6001306B2 - Locking device for opening and closing - Google Patents

Description

  The present invention relates to a locking device for an opening / closing window that delays the loss of the locking function of the opening / closing window in the event of a fire.

  This type of locking device includes a synthetic resin window frame and a synthetic resin window cage in a door that can be freely opened and closed. Even if the support bracket provided on the reinforcement member of the window fence is engaged with the support fitting provided on the upper part of the reinforcement member of the frame, the synthetic resin part may carbonize in the event of a fire and the shoji is about to descend. There is one in which the reinforcing member of the shoji is suspended by engaging the receiving metal fitting and the support metal to prevent the shoji from falling off (for example, see Patent Document 1).

Japanese Patent No. 4229286

  In the thing described in patent document 1, since the said receiving metal fitting and a support metal fitting are not engaged in the opening / closing direction of a shoji so that it may not interfere with the opening and closing of a shoji at normal times, the shoji at the time of a fire Opening cannot be prevented by the engagement between the receiving metal fitting and the support metal fitting.

In addition, the synthetic resin is carbonized in the event of a fire, but a metal such as an aluminum alloy may be softened and deformed or melted due to a temperature rise during the fire.
Therefore, when a metal having a low melting point such as an aluminum alloy is used as a part of the lock device, the lock function may be impaired in the event of a fire.
Needless to say, if the locking function is impaired, the shoji will open, the flame will erupt from the window, the fire will increase, and the damage will increase.

  However, even if the metal part softens and deforms due to the temperature rise at the time of the fire, the progress of the fire is suppressed and the spread of damage is minimized by delaying the loss of the lock function as much as possible. be able to.

  The present invention pays attention to such points, and even if the temperature rises at the time of fire, even if the parts are softened and deformed, it is possible to delay the loss of the lock function as much as possible. It is an object of the present invention to provide a locking device for an opening / closing window that can suppress the expansion of damage and minimize the expansion of damage.

According to the present invention, the above problem is solved as follows.
(1) A locking device for an opening / closing window, comprising: a window frame provided in a building opening communicating indoors and outdoors; a shoji attached to the window frame so as to be openable and closable; and a lock device for locking the shoji. A sliding plate that is slidably attached to a locking position and an unlocking position along a longitudinal direction of the sliding frame in the sliding frame that constitutes the window casing of the shoji, and provided on the window casing, the sliding plate Operating means for moving the frame to a locked position and an unlocked position, a locking pin fixed to the slide plate and facing the frame, and projecting toward the frame material constituting the window frame, and provided on the frame material When the sliding plate is opened and closed with the slide plate positioned at the unlocked position, the locking pin is inserted into and retracted from the entrance groove, and the entrance groove is bent from the back. Consecutive, such as, by the lock pin enters the lock receiving member having a engagement groove which is adapted to prevent Hirakito of the shoji, the pressing piece in the vertical portion of the locking pin, the slide plate The slide plate is formed so as to straddle the outer surface of the slide plate and has a heat resistance better than the material of the slide plate, and is fixed to the saddle material. And a plate separation preventing member for preventing .

  With such a configuration, even if a fire occurs when the locking device is locked and the slide plate of the locking device is heated and deformed due to a temperature rise at the time of the fire, the slide plate is quickly removed from the saddle. The separation can be prevented and the lock function can be delayed as much as possible. As a result, the progress of the fire can be suppressed and the spread of damage can be minimized.

  (2) In the above item (1), the plate separation preventing member is provided with a long hole through which the lock pin is movably inserted along the longitudinal direction of the saddle member.

  With such a configuration, the slide plate is pressed by the plate separation preventing member at the upper and lower portions of the lock pin to effectively prevent the lock pin from being detached from the lock receiving member and the lock pin from falling off the slide plate. be able to.

  (3) In the above item (1) or (2), a plurality of lock pins are provided on the slide plate so as to be separated from each other in the longitudinal direction of the slide plate, and the plurality of plate separation preventing members are made to correspond to the lock pins. Provide each.

  With such a configuration, it is possible to reliably prevent the portion of the slide plate provided with the lock pin and the portion in the vicinity thereof from being separated from the window ridge.

  (4) In any one of the above items (1) to (3), the window frame and the window ridge are formed of a resin, and the slide plate is formed of an aluminum alloy.

  With such a configuration, the window frame, the windowpane, and the slide plate can be reduced in weight, and the operation means can be easily operated.

  According to the present invention, even if parts are softened and deformed due to a temperature rise at the time of a fire, the lock function can be delayed as much as possible, thereby suppressing the progress of the fire and expanding the damage It is possible to provide a lock device for an opening / closing window that can be stopped to a minimum.

It is the front view which looked at the opening / closing window provided with one Embodiment of this invention from the room inner side. It is the II-II line enlarged cross-sectional plan view of FIG. It is an enlarged view of the principal part of the locking device in FIG. It is an expansion disassembled perspective view which shows the part by the side of a window frame and the part by the side of a window in a locking device, changing a 90 degree angle. It is the IV-IV line expansion vertical side view of FIG. It is the VV line expansion vertical side view of FIG.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 and 2, this open / close window includes a rectangular frame-like window frame 2 attached to the opening of a building housing 1 and an outdoor side attached to the window frame 2 (the paper surface of FIG. 2). A shoji 3 that opens upward) is provided. In the following description, the front and rear of the opening / closing window will be described with the indoor side being the front and the outdoor side being the rear.

  The window frame 2 is composed of an upper frame 4, a lower frame 5, and left and right vertical frames 6 and 6 which are frame materials formed of a synthetic resin such as vinyl chloride resin, and a longitudinal inner space 7 formed therein. A metal reinforcing member 8 is inserted in (see FIG. 2).

  The shoji 3 includes a rectangular frame-shaped window rod 12 composed of an upper rod 9, a lower rod 10, and left and right vertical rods 11, 11 that are made of a synthetic resin such as vinyl chloride resin, and an inside of the window rod 12. And inner and outer double-glazed windows 15 and 16 fitted in a watertight manner through inner and outer sealing materials 13 and 14 (see FIG. 2). A metal reinforcing member 18 is inserted into the inner space 17 in the longitudinal direction formed in the upper rod 9, the lower rod 10, and the left and right vertical rods 11.

As shown in FIG. 2, an inward projecting portion 6 a is provided on the inner surface of the vertical frame 6 near the indoor side, and the outer peripheral portion on the indoor side of the window tub 12 is interposed through a seal member 19. It comes to contact.
Further, an outward projecting portion 12 a is projected on the outer surface of the window tub 12 near the outdoor side so that the inner peripheral portion of the outdoor side of the window frame 2 abuts via the seal member 19. It has become.

  The shoji 3 is attached to the outer side of the left vertical frame 6 of the left vertical frame 11 on the outer side of the left vertical frame 6 with a pair of upper and lower hinges 20 and 20 (see FIG. 1). The right end portion, that is, the door end side can be opened to the outdoor side.

A lock device 21 (see FIG. 1) that locks the shoji 3 is provided between the vertical rod 11 on the door-end side and the vertical frame 6 that opposes it.
As shown in FIGS. 3 and 4, the locking device 21 includes a slide plate 22 made of aluminum or an alloy thereof and facing up and down, and an operation for moving the slide plate 22 to an upper lock position and a lower unlock position. A handle 23 (see FIGS. 1 and 2) as a means, a pair of upper and lower lock pins 24 fixed to the upper and lower portions of the slide plate 22 and projecting toward the vertical frame 6, and each lock pin 24 enters. Thus, a pair of upper and lower lock receiving members 25 having engagement grooves 25b that prevent the shoji 3 from opening and a pair of upper and lower plates that prevent the slide plate 22 from being separated from the vertical rod 11 are separated. And a prevention member 26.

  Each component of the locking device 21 will be described in detail. Since the upper and lower lock pins 24, the lock receiving member 25, and the plate separation preventing member 26 have the same shape, only the upper one is shown and the lower one is not shown.

  The slide plate 22 is formed of an elongated plate material that is made of aluminum or an alloy thereof and faces in the vertical direction. The slide plate 22 is provided at substantially the center portion of the outer surface of the vertical rod 11 and in the concave portion 27 in the vertical direction that opens outward, along the longitudinal direction of the vertical rod 11 and the above-described locking position and unlocking position. It is slidably inserted into the lock position.

On both inner side surfaces in the vicinity of the opening of the recess 27, vertical inwardly extending ridges 28, 28 that face each other are projected, and the recess 27 has a width in the inner and outer direction in the vicinity of the opening that is smaller than the inner part. ing. The slide plate 22 is provided with recesses 29 and 29 on both front and rear sides thereof, and these recesses 29 are slidably fitted to both inward protrusions 28 of the recess 27. Is contained.
By making the vertical dimension of the slide plate 22 shorter than that of the vertical rod 11, the slide plate 22 is slidable between the upper lock position and the lower unlock position. .
As shown in FIG. 4, the outer surface 22a of the slide plate 22 and the outer surfaces 11a of the vertical rod 11 are aligned with each other.

  As shown in FIG. 2, the handle 23 is attached to the front surface of the vertical fence 11 on the door end side, and is linked to the slide plate 22 by a linkage mechanism (not shown). When the handle 23 is turned to the downward locked position (the state shown in FIG. 1), the slide plate 22 is turned to the upper locked position, and when the handle 23 is turned to the horizontal or upward unlocked position, the lower unlocked position is obtained. Move to the position. Note that the linkage mechanism between the slide plate 22 and the handle 23 is not directly related to the present invention and is a known mechanism, and therefore the specific configuration thereof is omitted.

  As shown in FIGS. 1 and 4, the lock pins 24 are provided at both upper and lower ends of the outer surface 22 a of the slide plate 22. The lock pin 24 includes a headed screw 31 having an enlarged head portion 30 and a cylindrical roller 32 (see FIG. 5) rotatably fitted thereto, and is attached to the vertical frame 6 of the window frame 2. Protrusively. The lock pin 24 is attached so that the roller 32 can rotate by screwing the headed screw 31 into the slide plate 22.

As shown in FIGS. 4 and 5, the lock receiving member 25 is attached to the inner surface of the vertical frame 6 facing the lock pin 24, and the lock pin 24 is detachably formed.
That is, the lock receiving member 25 includes an upper horizontal piece 33, a lower horizontal piece 34, a front piece 35, a rear piece 36, and a side piece 37 that faces the vertical rod 11, and has an outer surface (the vertical frame 6 side). It is an open, generally vertical case. At the edge of the upper horizontal piece 33 and the lower horizontal piece 34 on the vertical frame 6 side, there are mounting pieces 38, 38 facing upward and downward, respectively, and at the edge of the front piece 35 on the vertical frame 6 side, A mounting piece 39 protruding toward the indoor side is continuously provided.

  The upper and lower mounting pieces 38 are fixed to the inner surface of the vertical frame 6 on the inner surface of the vertical frame 6 in the vertical direction by the upper and lower screws 41, and the mounting pieces 39 are fixed to the vertical frame 6. It is fixed to the central part of the inner surface by upper and lower screws 42. The insertion holes of the screws 41 and 42 formed in the mounting pieces 38 and 39 are vertically elongated holes 43 that face in the vertical direction so that the vertical mounting position of the lock receiving member 25 can be adjusted.

In the lower part of the lock receiving member 25, an entry groove 25a having an open outdoor side is formed so that the lock pin 24 can enter by cutting out the lower half of the rear piece 36 and the lower part of the side piece 37. Has been. The lock pin 24 enters and exits the entry groove 25a when the shoji 3 is opened and closed with the slide plate 22 positioned at the unlock position.
Further, above the entry groove 25a, the side piece 37 is formed with a U-shaped engagement groove 25b facing downward in a side view so as to bend upward from the inner part of the entry groove 25a. When the slide plate 22 slides upward and the lock pin 24 enters the engagement groove 25b, the shoji 3 can be prevented from opening.

  The groove width of the engagement groove 25b is equal to or slightly larger than the outer diameter so that the roller 32 of the lock pin 24 can roll or slide in the vertical direction. FIG. 5 shows a state in which the handle 23 is rotated to the lock position with the shoji 3 closed, and the slide plate 22 and the lock pin 24 attached thereto are interlocked with the operation of the handle 23. By moving to the upper lock position, the roller 32 of the lock pin 24 rolls or slides upward in the engagement groove 25b of the lock receiving member 25 via the entry groove 25a. Thereby, the movement of the shoji 3 in the opening direction is prevented, and the shoji 3 is locked to the window frame 2.

  As shown in FIGS. 4 and 6, the plate separation preventing member 26 is fixed to the outer surface 11 a of the vertical fence 11 on the door end side of the shoji 3 so as to straddle the outer surface 22 a of the slide plate 22. The plate separation preventing member 26, the lock receiving member 25, and the lock pin 24 are made of a material having better heat resistance than aluminum or an alloy thereof, for example, stainless steel, for example, stainless steel.

The plate separation preventing member 26 includes a plate-like attachment piece 45 fixed to the indoor side wall portion of the recess 27 on the outer surface 11 a of the vertical rod 11 by a pair of upper and lower screws 44, and the outer surface 22 a of the slide plate 22. A plate-shaped pressing piece 46 (see FIG. 3) that is slightly spaced from the outer surface 22a of the slide plate 22 and is provided in a step-like manner on the outer edge of the mounting piece 45. A fold which is bent substantially perpendicularly toward the vertical frame 6 from the outer edge of the holding piece 46, is placed on the inner side surface 12 b of the outward projection 12 a of the window tub 12, and is fixed by a screw 47. It consists of a piece 48.
It is desirable that the distance between the pressing piece 46 of the plate separation preventing member 26 and the outer surface 22a of the slide plate 22 be as small as possible as long as the slide plate 22 can slide without any trouble.

The presser piece 46 is provided with a long hole 49 that faces the up and down direction so that the lock pin 24 is movably inserted along the up and down direction (longitudinal direction of the vertical rod 11).
The plate separation preventing member 26 is provided corresponding to the upper and lower lock pins 24.

As described above, in this locking device 21, the pressing piece 46 of the plate separation preventing member 26 extends over the outer surface 22 a of the slide plate 22 at the upper and lower portions of each lock pin 24, so Since it is fixed to the side surface 11a, even if the slide plate 22 starts to be deformed by heating in the event of a fire, the slide plate 22 is separated from the vertical shaft 11, or the lock pin 24 is connected to the slide plate 22 or the lock receiving member 25. It can be delayed even if it leaves from.
Thereby, by opening the shoji in the early stage of the fire, it is possible to prevent the fire from being ejected from the window and to delay the progress of the fire.
Further, since the pressing piece 46 of the plate separation preventing member 26 is slightly separated from the slide plate 22, the slide plate 22 is smoothly slid up and down without being obstructed by the plate separation preventing member 26. be able to.

The present invention can also be applied to the above-described open / close windows that open to the outdoor side or the indoor side, or open windows.
Further, the present invention can also be applied to an opening / closing window in which the window frame 2 and the window ridge 12 are formed of aluminum or an alloy thereof.

1 frame 2 window frame 3 shoji 4 upper frame (frame material)
5 Lower frame (frame material)
6 Vertical frame (frame material)
6a Inward protrusion 7 Internal space 8 Reinforcement member 9 Upper rod
10 Shimojo
11 Shaft (wood)
11a outer side surface 12 window ridge 12a outward projection 12b inner side surface 13 sealing member 14 sealing member 15 window glass 16 window glass 17 internal space 18 reinforcing member 19 sealing member 20 hinge 21 lock device 22 slide plate 22a outer surface 23 handle 24 lock pin 25 Lock receiving member 25a Entrance groove 25b Engagement groove 26 Plate separation preventing member 27 Recess 28 Inward protrusion 29 Recess 30 Expanded head 31 Headed screw 32 Roller 33 Upper horizontal piece 34 Lower horizontal piece 35 Front piece 36 Rear Piece 37 Side piece 38 Mounting piece 39 Mounting piece 40 Groove 41 Screw 42 Screw 43 Vertically long hole 44 Screw 45 Mounting piece 46 Holding piece 47 Screw 48 Bending piece 49 Long hole

Claims (4)

A locking device for an opening / closing window comprising: a window frame provided in a building opening communicating indoors and outdoors; a shoji attached to the window frame so as to be opened and closed; and a lock device for locking the shoji;
A sliding plate that is slidably attached to a locking position and an unlocking position along the longitudinal direction of the sliding material on the sliding material that constitutes the window screen of the shoji,
An operating means provided on the window jar, for moving the slide plate between a locked position and an unlocked position;
A lock pin that is fixed to the slide plate and faces the frame material, and projects toward the frame material constituting the window frame;
An entrance groove provided on the frame material and adapted to allow the lock pin to enter and exit during the opening / closing operation of the shoji in a state where the slide plate is located at the unlock position, and bent from the back of the entrance groove A lock receiving member having an engagement groove that is continuous and prevents the door of the shoji from being opened when the lock pin enters;
A pressing piece is provided on the upper and lower portions of the lock pin so as to straddle the outer surface of the slide plate, and is formed of a material having better heat resistance than the material of the slide plate, and is fixed to the saddle member And a plate separation preventing member for preventing the slide plate from separating from the saddle member .   2. The locking device for an opening / closing window according to claim 1, wherein the plate separation preventing member is provided with a long hole through which the lock pin is movably inserted along the longitudinal direction of the saddle member.   3. The opening / closing window according to claim 1, wherein a plurality of lock pins are provided on the slide plate so as to be separated from each other in the longitudinal direction of the slide plate, and a plurality of plate separation preventing members are provided corresponding to the lock pins. Locking device in.   The locking device for an opening / closing window according to any one of claims 1 to 3, wherein the window frame and the window ridge are formed of a resin, and the slide plate is formed of an aluminum alloy.

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